Baby acting strange after two month shots :(-UPDATE- we are finally home.

My baby got his shots 6 hours ago. Since getting them he has hardly eaten and I cannot get him to wake up. Even when he has been awake all he does is cry and his cry sounds much different than it used to:( is this normal? I'm freaking out!
Update-
In er now. He had two seizures turned blue and stopped breathing. Did CPR got him back after 20-30 seconds. Please PLEASE pray for my baby.

I already had called my pediatrician twice both times I was told this is normal and to keep an eye on his fever. Thought I would ask you guys on here to see if y'all's children had similar reactions. Now I'm scared!